<template>
  <view>
    <view class="goods-list">
      <view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
        <my-goods :goods="goods"></my-goods>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        queryObj: {
          //查询关键词
          query: '',
          //商品分类ID
          cid: '',
          pagenum: 1,
          pagesise: 10
        },
        goodsList: [],
        total: 0,

        //是否正在请求数据
        isloading: false

      };
    },
    onLoad(options) {
      this.queryObj.query = options.query || ''
      this.queryObj.cid = options.cid || ''

      console.log(this.queryObj)
      this.getGoodsList()
    },
    methods: {
      //获取商品列表数据的方法
      async getGoodsList(cb) {
        //打开节流阀
        this.isloading = true

        //发起请求
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/goods/search', this.queryobj)

        //关闭节流阀
        this.isloading = false

        if (res.meta.status !== 200) return uni.$showMsg()
        //为数据赋值
        // this.goodsList = res.message.goods
        this.goodsList = [...this.goodsList, ...res.message.goods]
        this.total = res.message.total

        cb && cb()
        if (res.meta.status !== 200) return uni.$showMsg()
        this.goodslist = [...this.goodsList, ...res.message.goods]
        this.total = res.message.total

      },
      gotoDetail(goods) {
        uni.navigateTo({
          url: "/subpkg/goods_detail/goods_detail?goods_id=" + goods.goods_id
        })
      }
    },
    onReachBottom() {

      //判断是否还有下一页数据
      if (this.queryObj.pagenum * this.queryObj.pagesise >= this.total) return uni.$showMsg("数据加载完毕！")

      console.log(this.queryObj)
      //判断节流阀是否打开状态
      if (this.isloading) return
      this.queryObj.pagenum++
      this.getGoodsList()
    },
    //下拉刷新的事件
    onPullDownRefresh() {
      // 1.重置关键数据
      this.queryobj.pagenum
      this.total = 0
      this.isloading = false
      this.goodsList = []

      //2.重新发起请求
      this.getGoodsList(() => uni.stopPullDownRefresh())
    }
  }
</script>

<style lang="scss">

</style>